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Merged
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Sep 21, 2018
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New Accessibility Tree section needs intro #811 #814

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6698cb4
New Accessibility Tree section needs intro #811
carmacleod Sep 6, 2018
54658c7
Removed sentence about trimming nodes from the tree
jnurthen Sep 21, 2018
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Expand Up @@ -11158,6 +11158,7 @@ <h2>Definitions of States and Properties (all aria-* attributes)</h2>
</section>
<section class="normative" id="accessibility_tree">
<h1>Accessibility Tree</h1>
<p>The <a class="termref">accessibility tree</a> and the DOM tree are parallel structures. The <a>accessibility tree</a> includes the user interface objects of the <a>user agent</a> and the objects of the document. <a>Accessible objects</a> are created in the accessibility tree for every DOM element that should be exposed to an <a>assistive technology</a>, either because it may fire an accessibility <a>event</a> or because it has a <a>property</a>, <a>relationship</a> or feature which needs to be exposed.</p>
<section id="tree_exclusion">
<h2>Excluding Elements from the Accessibility Tree</h2>
<p>The following <a>elements</a> are not exposed via the <a>accessibility <abbr title="Application Programing Interfaces">API</abbr></a> and user agents MUST NOT include them in the <a class="termref">accessibility tree</a>:</p>
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